IT Senior Technical Transition Engineer 310353

Come and join the Littlefish team!

• Work location: Nottingham or Sheffield (Hybrid)
• Office day: Wednesday is our regular team collaboration day.
• Salary: Up to: £75,000
• Must be eligible for SC Clearance (UK resident for the last 5 years)

Here at Littlefish, we look for people who can make a real difference and become a giant slayer. As the world around us continues to change, we look for people who grab that change with optimism and excitement. Theseare the passionate and high performingpeoplewho enjoy and thrive on thinking outside the box.

Our current employees are the giant slayers who have made Littlefish who we are today, and you will be the future employees who continue to add the drive, passion, andadd toour skills and experience as we see Littlefish grow.

So, if this is ticking your boxes and you are excited at the thought of working with creative, passionate, energetic, friendly people- we would love to hear from you.

We are hiring an experienced Senior Technical Transition Engineer to join our Infrastructure team.

This is a highly technical role focused on bringing new customers into service, leading technical due diligence, deploying tooling, documenting environments, and ensuring a smooth transition into operational support.

You’ll work across a broad range of technologies, engaging directly with customers, third parties, and internal technical teams to deliver successful service transitions.

If you enjoy getting under the hood of complex IT estates, solving technical challenges, and shaping how services are onboarded and supported, this role offers the opportunity to make a real impact across multiple customer environments.

• Leading technical due diligence activities for new customer estates.
• Assessing infrastructure, services, tools and operational readiness before acceptance into service.
• Deploying Littlefish standard tooling across customer environments.
• Producing and maintaining high-quality technical documentation and knowledge articles.
• Providing early life support following customer onboarding activities.
• Acting as a technical authority during service transition projects.
• Working closely with operational teams to ensure a seamless handover into support.
• Contributing to technical projects across infrastructure and transition functions.
• Providing technical guidance and knowledge sharing across engineering teams.
• Occasionally supporting the resolution of complex, high-impact incidents and problems.
• Helping shape technical standards, processes, and future service capabilities

You will be an experienced infrastructure engineer who is comfortable leading technical onboarding activities, assessing customer environments and ensuring services are successfully transitioned into operational support.

You’ll have strong stakeholder management skills, enjoy solving complex technical challenges and be confident working independently or as part of a wider engineering team.

• Strong Windows Server infrastructure knowledge, including Active Directory, Group Policy, PKI and Power Shell.
• Experience with Microsoft Entra, M365, Intune, and SCCM or other endpoint management platforms.
• Good understanding of networking, security, and cloud technologies, including Azure.
• Experience deploying and supporting service management, monitoring, and backup tooling.
• Proven experience producing technical documentation, knowledge transfer materials, and operational handovers.
• Ability to manage multiple priorities, work to tight deadlines and communicate effectively with both technical and non-technical stakeholders.
• Experience supporting service transitions, technical governance activities, and operational readiness processes.
• Relevant certifications such as AZ-104, AZ-305, MS-102, SC-300, CCNA or CCNP would be beneficial, although equivalent practical experience is equally valued.

• Through our one of a kind training programme, the Littlefish Academy, you can increase your earnings by £4,500.
• Referral bonus scheme of £1000 when you successfully refer a friend.
• Access to our Linked In Learning platform, with over…